export default `<Input type='select' clearable >
    <OptionGroup label='直辖市' value={1}>
        <Option value={11} label='北京'/>
        <Option value={5} label='天津'/>
        <Option value={2} label='上海'/>
    </OptionGroup>
    <OptionGroup label='浙江' value={3}>
        <Option value={31} label='杭州'/>
    </OptionGroup>
    <Option value={4} label='武汉'/>
</Input>`